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###############################################################################
# Copyright (c) 2017 Koren Lev (Cisco Systems), Yaron Yogev (Cisco Systems) #
# and others #
# #
# All rights reserved. This program and the accompanying materials #
# are made available under the terms of the Apache License, Version 2.0 #
# which accompanies this distribution, and is available at #
# http://www.apache.org/licenses/LICENSE-2.0 #
###############################################################################
from bson.objectid import ObjectId
from datetime import datetime
class DictNamingConverter:
# Convert a nested dictionary from one convention to another.
# Args:
# d (dict): dictionary (nested or not) to be converted.
# cf (func): convert function - takes the string in one convention,
# returns it in the other one.
# Returns:
# Dictionary with the new keys.
@staticmethod
def change_dict_naming_convention(d, cf, level: int=0):
new = {}
change_convention = DictNamingConverter.change_dict_naming_convention
if not d:
return d
if isinstance(d, str) or isinstance(d, int) or isinstance(d, float) \
or isinstance(d, bool) or isinstance(d, datetime):
return d
if isinstance(d, ObjectId):
return d
if isinstance(d, object) and not isinstance(d, dict):
for k in dir(d):
if k.startswith('_'):
continue
v = getattr(d, k)
if callable(v):
continue
new[cf(k)] = change_convention(v, cf, level+1)
if isinstance(d, dict):
for k, v in d.items():
new_v = v
if isinstance(v, dict):
new_v = change_convention(v, cf, level+1)
elif isinstance(v, list):
new_v = list()
for x in v:
list_val = change_convention(x, cf, level+1)
new_v.append(list_val)
new[cf(k)] = new_v
return new
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